Home / 371,448.09-557,063.07-158,213.76

Finding the Fourth Proportional to 371,448.09, 557,063.07 and 158,213.76

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Solution

The fourth proportional to 371,448.09, 557,063.07 and 158,213.76 is: 237,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,448.09 : 557,063.07 = 158,213.76 : x
  2. Step 2: Convert to fraction form
    371,448.09/557,063.07 = 158,213.76/x
  3. Step 3: Cross multiply
    371,448.09x = 557,063.07 × 158,213.76
  4. Step 4: Simplify right side
    371,448.09x = 88,135,042,861.84
  5. Step 5: Solve for x
    x = 88,135,042,861.84/371,448.09
  6. Step 6: Final answer
    x = 237,274.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.